package chapter02;

public class Example15 {
    public static void main(String[] args) {
        int i,j;
        for ( i = 1; i <= 9; i++) {
            for ( j = 1; j <= i; j++) {
                System.out.print("*");
            }
            System.out.print("\n");//  ”\n“相当于换行
        }

    }
}
